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It's a good idea and great implementation.

However I do strongly feel that touchscreen is the opposite to productivity, maybe usability to the end users, but definitely not what developers need/want.

I have a coworker who uses a touchscreen and changed my view on this because she does not use just the touchpad or just the touch screen. She uses both at the same time with one hand on the touchpad and one pointing at the screen.

I agree it's less productive on its own, but it works well when used as a hybrid where you have two types of pointers on one screen.

I use touch screens on all my devices: desktops, laptops, tablets, phones. I spend a lot of time writing code, and I need and want those touch screens, and working without them is often slow and clunky. Your feeling is irrelevant, and in general just wrong. Developers are end users.

It helps older users who have trouble with the mouse/touchpad.

A touch screen is definitely a more approachable method to interact with computers for people who are not as tech literate. My grandma had a computer for years and only kind of used it. Then she got an ipad from a relative and she uses everyday, from casting netflix to her chromecast to reading ebooks she rented from the library.

I may not prefer touch screens but they can be a complete game changer for some users.

There is nothing wrong with touch screens when they are horizontal like a tablet. Vertical touch screens like on laptops or desktops are not ergonomic, and especially so for the elderly.

Entirely horizontal touch screens have the same problems as trackpads/keyboard/mice (or piano playing) that they can have in terms of wrist strain/RSIs (including carpal tunnel), and sometimes elbow movement strain/RSIs (including things like "tennis elbow").

Vertical touch screens trade the more traditional wrist/elbow strain/RSIs for other arm/elbow/shoulder strain/RSIs (including things like "gorilla arm").

Given the nature of repetitive stress, the growing consensus seems to be not that one orientation is better than the other, but that a range of orientations, and a mixture of movement types / input methods is better. For instance, move your arm some to touch a vertical screen, to mix things up from mouse movements and keyboard movements.

Those users need a touch OS like iOS or Android (or maybe Windows RT/Metro), not a touchscreen on their desktop OS.

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